Rebreathing apparatus



FIG. 1 is a perspective view of a rebreathing apparatus showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a side elevation from the opposite side of FIG. 1;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a rebreathing apparatus, as shown. 